Is Synchronous Computer Mediated Collaborative Problem-Solving 'Justified' Only When by Distance? Teachers' Points of Views and Interventions with CO-Located Groups, during Everyday Class Activities. - Argiro Petrou; Angelique Dimitracopoulou (CSCL, 2003)

Collaboration Activity Function: An Interaction Analysis Tool for Computer Supported Collaborative Learning Activities. - George Fesakis; Argiro Petrou; Angelique Dimitracopoulou (ICALT, 2004)